How to activate Airtel double recharge for voice and data.

Airtel has make it possible for their customers to enjoy double chance for a single recharge. That is, with just one recharge card from airtel you can subscribe for data bundle and also make call to any network with. Isn't this fantastic. To activate the airtel double recharge for voice and data.
Buy any amount of airtel recharge card. Load it with *126* follow by the recharge pin# and also with the same pin dial *143* the pin#. Enjoy.